Commitments and Contingencies - Additional Information (Detail)	12 Months Ended
Dec. 31, 2020 Agreement
Loss Contingencies [Line Items]
Number of agreements expire in 2021	0
Labor agreements expiration period	2021
Labor Agreements
Loss Contingencies [Line Items]
Percentage of workforce as members of industrial trade unions	25.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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